a verb form that functions as a noun, ends in -ing.
made up of a gerund and all of its modifiers and complements.
a verb form that is almost always preceded by the word to. It can act as a noun, an adjective, or an adverb.
to is part of an infinitive if it's followed by a verb, if it starts a prepositional phrase, then to is a preposition.
made up of of an infinite and all of its modifiers and complements.